Messages in this thread | | | Subject | Re: [RFC PATCH 4/4] lockdep: fix race condition in __lock_set_class() | From | Peter Zijlstra <> | Date | Mon, 07 Nov 2011 13:30:54 +0100 |
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On Fri, 2011-11-04 at 17:26 +0800, Yong Zhang wrote: > When someone call lock_set_class() with valid key, nothing > protect the initializing of 'lockdep_map'; thus could lead > to flase positive warning from lockdep (such as "key not in > .data!"). This patch cure that potential issue.
How? that warning is triggered of the lock_class_key * passed into lockdep_init_map and is unrelated to the actual content of the lockdep_map.
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